在流行病学调查中,由于失访所导致的偏倚属于:()。
A. 测量偏倚
B. 检出偏倚
C. 选择偏倚
D. 信息偏倚
采用低压脉冲测量电缆故障,一般要求故障电阻在()以下。
A. 100;
B. 150;
C. 200;
D. 250。
特种设备安装、改造、修理的施工单位应当在施工前将拟进行的特种设备安装、改造、修理情况书面告知直辖市或者设区的市级人民政府负责特种设备安全监督管理的部门。
A. 正确
B. 错误
You work as a network exchange administrator at company.com.the company.com network currently consists of a single active directory forest containing a single domain named company.com.the company.com organization makes use of microsoft exchange server 2010 as their messaging solution.company.com currently makes use of two exchange servers named - ex01 and -ex02which are configured as mailbox servers.During the course of the business week you receive instruction from company.com to have a mailbox moved from -ex01 to -ex02.what should you do?()
A. you should consider having the new-move request command run from -ex01.
B. you should consider having the new-move request command run from -ex02.
C. you should consider having the move-mailbox command run from -ex01.
D. you should consider having the move-mailbox command run from -ex02.